Why is it easier to move a chair across the floor by pulling then by pushing it?
push the chair at the bottom near it's legs, then try again ;)
also when pushing, you're pushing down (vertical component of force) so creates more friction because F=\mu.R etc etc etc
if you were pulling and pushing perfectly in the plane of the chair then it would be just as easy/hard etc etc...
someone else will put that into English for you
so it is easier to pull a chair across the floor because if you push you just add more friction?
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